#427FA8#427FA8

#427FA8 is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.3% C 0.090 H 240.2°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#427FA8
RGB	rgb(66, 127, 168)
HSL	hsl(204, 44%, 46%)
HSV	hsv(204, 61%, 66%)
CMYK	cmyk(60.7%, 24.4%, 0%, 34.1%)
CIE-LAB	lab(50.88, -7.10, -27.75)
CIE-LCH	lch(50.88, 28.64, 255.66°)
OKLab	oklab(57.32% -0.0445 -0.0778)
OKLCH	oklch(57.32% 0.09 240.2)
XYZ	xyz(16.9014, 19.1626, 39.8462)
Luminance	0.1916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427FA8 #A86B42

analogous

#42A89E #427FA8 #424CA8

triadic

#427FA8 #A8427F #7FA842

tetradic

#427FA8 #9E42A8 #A86B42 #4CA842

square

#427FA8 #9E42A8 #A86B42 #4CA842

split-complementary

#427FA8 #A8424C #A89E42

monochromatic

#1F3D50 #315E7C #427FA8 #659DC2 #91B9D4

Accessibility & contrast

On white

4.35

#427FA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#427FA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427FA8

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427FA8	#FFFFFF	#000000	##000000
##427FA8	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7FAA

Deuteranopia (green-blind)

#5F75A7

Tritanopia (blue-blind)

#00898D

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #427fa8;
/* rgb */ color: rgb(66, 127, 168);
/* oklch */ color: oklch(57.3% 0.090 240.2);

Tailwind

colors: {
  custom: {
    50: '#7fa4c2',
    500: '#427fa8',
    950: '#000000',
  },
}

SCSS

$custom: #427fa8;
$custom-light: #7fa4c2;
$custom-dark: #000000;

JSON

{
  "hex": "#427fa8",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 168
  },
  "hsl": {
    "h": 204.118,
    "s": 43.59,
    "l": 45.882
  },
  "oklch": {
    "l": 0.57324,
    "c": 0.08964,
    "h": 240.2
  },
  "luminance": 0.19164
}

Semantic roles & 50–950 ramp

primary

#427FA8

secondary

#BF9D87

accent

#8754D3

background

#F8FAFB

surface

#EFF3F7

border

#CACDD0

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #427FA8

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →